Heaped Harvest is a common Artifact — Food card from Bloomburrow (BLB), collector number 175. Current market price: $0.28 (foil $0.36), TCGplayer market prices via Scryfall.
When this artifact enters and when you sacrifice it, you may search your library for a basic land card, put it onto the battlefield tapped, then shuffle. {2}, {T}, Sacrifice this artifact: You gain 3 life.